Jakob simplified the expression as shown.
(6.7 x minus 3) minus (3.4 x minus 1) minus (2 x minus 2)
6.7 x minus 3 minus 3.4 x minus 1 minus 2 x minus 2
(6.7 x minus 3.4 x minus 2 x) + (negative 3 minus 1 minus 2)
1.3 x minus 6
What was Jakob's error in subtracting the expressions?
He used the commutative property incorrectly.
He used the distributive property incorrectly.
He used the associative property incorrectly.
He simplified the x coefficients incorrectly.
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